Boiler & Pressure Vessel Safety Inspection

Boiler & Pressure Vessel Forms

XML Validation Tool for Electronic Inspection Report Submission

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  • E-mail for electronic submission of Boiler & Pressure Vessel Inspections
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To help insure the safety of the citizens of Missouri, the Division of Fire Safety issues approximately 20,000 certificates of inspections each year for boilers and pressure vessels in service throughout the state. Of these, about 50 percent are located in public schools and another 25 percent are in public locations such as hospitals and nursing homes. An estimated 350 of these units are found to be in a dangerous condition each year. Division inspectors conduct inspections on uninsured boilers and pressure vessels and provide consultation for the owners and operators of uninsured units.

Effective November 12, 1986, boilers, hot water heaters and pressure vessels are required to be ASME constructed and National Board registered. There are exemptions due to size and type of facility (e.g. residences with less than six families are exempted but the common buildings used by them such as recreation centers or pool heaters, are not exempted).

Boilers and pressure vessels installed prior to November 12, 1986, are exempted from ASME construction but not from the requirements for the controls and safety devices. Used objects may not be reinstalled unless they are ASME constructed and National Board registered. Variances may be obtained but require approval of the Boiler Board which meets once per quarter.

Certificate inspections are the responsibility of the owner, regardless of contractual agreements. It is a class A misdemeanor to operate an object without a valid inspection certificate and fines can vary up to $5,000 per day of violation. Boiler and machinery insurance companies may do inspections at locations they insure. The certificate inspection frequency varies from one to two years, depending on the use of an object. In general, every object has a two year inspection frequency except boilers that generate steam over 15 psi. These latter objects require a biennial internal inspection of the water side.

  1. Hot water heaters with heat input >200,000 btu/hr.
  2. Hot water heating boilers.
  3. Steam heating boilers.
  4. Steam process boilers. This includes steam kettles, laundry boilers, all process boilers, hot oil or other liquid type boilers, power boilers, locomotives (including amusement types), etc.
  5. Air compressor tanks >5 cu ft in volume (15 cu ft in some facilities).
  6. Pool heaters with heat input >200,000 Btu/hr.

Guide for Completing Installation Permit Application

Only one application is required for each site that multiple boilers, water heaters or pressure vessels are to be installed, along with an attachment A or B as appropriate for each vessel you are applying for. Applications shall be submitted to the Chief Inspector at least 60 days prior to the start of the installation. In case of an emergency replacement as defined below, the application shall be submitted to the Chief Inspector as soon as possible but no more than 7 calendar days after the work has started. All applications must be submitted by mail along with the appropriate fees per 11CSR 40-2.025. Failure. Read more...

Rules and Regulations